Platinum, K is a kind of containing phosphorus silicon tin welding alloy, compared with silver solder has better cost advantage Platinum K have buffet in copper welding welding performance, very low melting point, is the best choice of the brass welding. Main ingredients: copper 94%, 6% phosphorus, silver Platinum, K has the very good liquidity, packing can be formed in the welding interface position quickly cap pile. Liquid temperature: 674 C Specification : 2.0*500mm/1.5*500mm Melting temperature: 637-674 C Solid phase temperature: 637 C